55530531425140 has 48 divisors (see below), whose sum is σ = 121047648954624. Its totient is φ = 21383225193600.

The previous prime is 55530531425111. The next prime is 55530531425227. The reversal of 55530531425140 is 4152413503555.

It is a super-3 number, since 3×55530531425140³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484164246 + ... + 484278925.

It is an arithmetic number, because the mean of its divisors is an integer number (2521826019888).

Almost surely, 2^{55530531425140} is an apocalyptic number.

It is an amenable number.

55530531425140 is an abundant number, since it is smaller than the sum of its proper divisors (65517117529484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55530531425140 is a wasteful number, since it uses less digits than its factorization.

55530531425140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968443288 (or 968443286 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 55530531425140 its reverse (4152413503555), we get a palindrome (59682944928695).

The spelling of 55530531425140 in words is "fifty-five trillion, five hundred thirty billion, five hundred thirty-one million, four hundred twenty-five thousand, one hundred forty".